44129887 has 8 divisors (see below), whose sum is σ = 44899056. Its totient is φ = 43365312.

The previous prime is 44129881. The next prime is 44129923. The reversal of 44129887 is 78892144.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44129887 - 2³ = 44129879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44129881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22188 + ... + 24094.

It is an arithmetic number, because the mean of its divisors is an integer number (5612382).

Almost surely, 2^44129887 is an apocalyptic number.

44129887 is a deficient number, since it is larger than the sum of its proper divisors (769169).

44129887 is a wasteful number, since it uses less digits than its factorization.

44129887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297.

The product of its digits is 129024, while the sum is 43.

The square root of 44129887 is about 6643.0329669512. The cubic root of 44129887 is about 353.3818758709.

The spelling of 44129887 in words is "forty-four million, one hundred twenty-nine thousand, eight hundred eighty-seven".